...
2
R
.
The area =
1 691 4.31 691 3
2
.
1 69 x 3 = 507 and therefore
1 691 4.3
is definitely greater than 507, which
makes column A greater than column B.
29.
A: Perimeter of a ...
Column B =
40102
2
.
A
B
C
The area of each face is X
2
= 49 and since there are 6 faces their area
together is 6 x 49 = 294 , which is smaller than 343 and so column B is
t...
...
A: Number of feet in 99 9 yards.
B: Number of minutes in two days
The best answer is A.
Column A: There are 3 feet in every yard and therefore there are
99 9 x 3 = 299 7 feet.
Column B: There ... Bertha traveled 9. 6 kilometers
Assume that 1 mile is 1.6 kilometers.
The best answer is A.
Martha traveled 6 miles, which is (6 x 1.6 = 9. 6) kilometers.
Bertha traveled 9. 6 kilo...
... A.
54.
A: (0 .99 )
3
(0 .99 )
4
B: (0 .99 )
8
The best answer is A.
When dealing with fractions, the smaller the power, the largest the result.
A = (0 .99 )
7
while B = (0 .99 )
8
and therefore ...
23.
A: (9/ 144)
0.5
– (1/25)
0.5
B: (9/ 144 – 1/25)
0.5
The best answer is B.
Column A = (9/ 144)
0.5
– (1/25)
0.5
= 3/12 – 1/5 = 1/20.
Column B = (9/ 144 – 1/25)
0.5
=...
... equal to one another.
2.
A: X
B: 3
AI:
X2
3
193 61
The best answer is B.
Simplify the expression:
XXX 2
3
2
2
3
2
3
191 9 191 9 191 9361
.
2/3 = 2X X = 1/3 and therefore column ... 282523225 295 018 .
Column B = 28262223624728 .
The columns are equal.
7.
A: 4875
B:
29
The best answer is A.
Simplify the expression in column A:...
... probability of two red balls:
12
1
8
2
9
3
.
2. The probability of two blue balls:
36
1
8
1
9
2
.
3. The probability of two yellow balls:
6
1
8
3
9
4
.
The total probability in column ... possibilities.
The second digit can be anything but the first, thus 9 possibilities.
The third has only 8 left.
The number of combinations is 9 x 9 x 8 = 648 and therefore colum...
...
28.
A: (91 4) (98 0)
B: (95 0) (94 4)
The best answer is B.
The best way to solve this question is by using the formula:
(X - Y)(X + Y) = X
2
– Y
2
.
Column A = (94 7 – 33) (94 7 + 33) = 94 7
2
... therefore the answer is not distinct.
Column B = (94 7 + 3) (94 7 – 3) = 94 7
2
– 3
2
.
Now the answer is obvious, column B is greater.
29.
A:
16
S
B:
25.0
16
T
AI:
T...
... 100.
Column B = 70% of 130, which is 91 and therefore column A is greater.
29.
A: 75% of X
B: Y
And so X = -104. We can see that Y is larger.
39.
A: W
2
+ Y
2
B: Q
2
+ R
2
AI: ... measurement of ABC is not necessarily 90 degrees and therefore we
cannot determine if BAC + ACB are larger or smaller than 90 degrees.
35.
A: The measurement of BAC
B: 90 degrees.
AI: A...
... therefore column B is greater.
49.
A:
3
1
6
6
B:
3 19
6
The best answer is C.
Take the expression in column B and simplify it:
3
1
6
3
19
3 19
666
.
We can see that the columns ... students together with a score of 92 is 88.
The best answer is B.
Let’s write the average of the X students with the extra grade:
88
1
92 86
X
X
86X + 92 = 88X + 88 2X...
... also 1 and therefore the answer
is C.
10.
A: T
B: 9
AI:
16 )9(
2
T
The best answer is D.
Simplify the expression: 13 491 6 )9(
2
TTT .
T can be 12 or even -347 and therefore ...
B: 0
AI:
X
X
3
1
3
The best answer is D.
The additional data can be written as 9X
2
= 1 X
2
= 1 /9 X = 1/3 or -1/3 and so 0
is right in the middle so the answer cannot b...
...
B = (1)(1/7)(1/7) = 1/ 49, which is smaller than column A.
22.
A: The probability that a number chosen at random from the primes between 200 and
399 is odd.
B: 0. 89
1.
A: ...
4
5.0
2
XY
Y
X
.
x
y
z
A
B
C
E
A
B
C
D
Quantitative comparisons practice
This file contains 621 quantitative comparison questions
with full answers and exp...